The very first thing that you need to think about is the goal for the page. What do you want your users to do on the page? Having this clear in your mind will help set you up for landing page success. It can be a really beneficial use of time to physically sketch or wireframe the format of the page before you build it so you can review the flow of the content - doing this can actually save you quite a bit of time in the long term. It will also help you understand what to include and what your CTAs (Call To Actions) should be.
It might be that you are wanting to run a specific campaign for paid media traffic or you might feel that the current landing page isn’t tailored enough to convert as well as it can do for ads. For example, you might be an ecommerce retailer selling beds and have a website landing page for bunk beds. Your ads might want to target longer tailed keywords like “children’s bunk beds” - the key for ads is to ensure that the landing page is optimised for relevance to the keyword you are targeting. Landing pages are also an opportunity for you to speak directly to your visitor and show them that you understand what they are looking for but also show them that you can offer it. So by creating multiple landing pages that each target specific keywords, you can refine the messaging without flooding your website with a huge amount of pages which would affect UX (user experience).
These types of landing pages don’t need to follow the same rules as a general landing page because these pages should be set to “No-Index”. You don’t want Organic traffic finding these pages in Search Engines since they are being used purely for targeted Ads traffic.